Unit test call cwltool.main with parsed args only, w/wo provenance

Author: davidjsherman

tests/test_main_parsed_args.py

@@ -0,0 +1,40 @@
+import io
+from pathlib import Path
+
+from cwltool.argparser import arg_parser
+from cwltool.main import main
+
+from .util import get_data
+
+
+def test_main_parsed_args(tmp_path: Path) -> None:
+    """Affirm that main can be called with parsed args only."""
+    stdout = io.StringIO()
+    stderr = io.StringIO()
+
+    unparsed_args = [get_data("tests/echo.cwl"), "--inp", "Hello"]
+    parsed_args = arg_parser().parse_args(unparsed_args)
+
+    try:
+        assert main(args=parsed_args, stdout=stdout, stderr=stderr) == 0
+    except SystemExit as err:
+        assert err.code == 0
+
+
+def test_main_parsed_args_provenance(tmp_path: Path) -> None:
+    """Affirm that main can be called with parsed args only, requesting provenance."""
+    stdout = io.StringIO()
+    stderr = io.StringIO()
+
+    prov_folder = tmp_path / "provenance"  # will be created if necessary
+
+    unparsed_args = ["--provenance", str(prov_folder), get_data("tests/echo.cwl"), "--inp", "Hello"]
+    parsed_args = arg_parser().parse_args(unparsed_args)
+
+    try:
+        assert main(args=parsed_args, stdout=stdout, stderr=stderr) == 0
+    except SystemExit as err:
+        assert err.code == 0
+
+    manifest_file = prov_folder / "metadata" / "manifest.json"
+    assert manifest_file.is_file(), f"Can't find RO-Crate manifest {manifest_file}"